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SudokuSolve

Step-by-step hints that teach you — or solve it instantly

How to play

  • Click a cell, then tap a number or use your keyboard
  • Hit Hint to learn the strategy behind each move
  • Turn on Pencil Marks to see which numbers can go in each cell
  • Red cells mean a conflict — same number in the row, column, or box
  • Undo any move, or Cmd+Z on keyboard